6,663,249

3³ × 246787

Starting at 6,663,249, the Collatz iteration reaches 1 after 165 steps. The first transition is 19989748; the starting value is odd with 8 positive divisors.

Prime Factor Structure

Factorization String 3^3 × 246787

Distinct Prime Factors 2

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 8

Divisor Sum (σ) 9,871,520

Proper Divisor Sum 3,208,271

Digit Sum / Digital Root 36 (Root: 9)

Adjacent Primes #6663229 ← → #6663257

Radix Representation

Decimal	6663249
Binary	11001011010110001010001 (23 bits)
Octal	0o31326121
Hexadecimal	0x65AC51

Divisor Catalog (8)

1 3 9 27 246,787 740,361 2,221,083 6,663,249

Collatz Trajectory (165 steps to reach 1)

Iterative sequence n → n/2 (if even) or 3n+1 (if odd):

6,663,249 19,989,748 9,994,874 4,997,437 14,992,312 7,496,156 3,748,078 1,874,039 5,622,118 2,811,059 8,433,178 4,216,589 12,649,768 6,324,884 3,162,442 1,581,221 4,743,664 2,371,832 1,185,916 592,958 296,479 889,438 444,719 1,334,158 667,079 2,001,238 1,000,619 3,001,858 1,500,929 4,502,788 2,251,394 1,125,697 3,377,092 1,688,546 844,273 2,532,820 1,266,410 633,205 1,899,616 949,808 474,904 237,452 118,726 59,363 178,090 89,045 267,136 133,568 66,784 33,392 16,696 8,348 4,174 2,087 6,262 3,131 9,394 4,697 14,092 7,046

← Previous Integer #6,663,248 Browse Full Index Next Integer #6,663,250 →